Phase transition of a single sheet of sashlike polydiacetylene atomic sash on a solid surface

被引：32

作者：

Endo, O

Ootsubo, H

Toda, N

Suhara, M

Ozaki, H ^{[1
]}

Mazaki, Y

机构：

[1] Tokyo Univ Agr & Technol, Fac Technol, Dept Organ & Polymer Mat Chem, Koganei, Tokyo 1848588, Japan

[2] Kitasato Univ, Sch Sci, Dept Chem, Sagamihara, Kanagawa 2288555, Japan

来源：

JOURNAL OF THE AMERICAN CHEMICAL SOCIETY | 2004年 / 126卷 / 32期

关键词：

D O I：

10.1021/ja047841g

中图分类号：

O6 [化学];

学科分类号：

0703 ;

摘要：

The phase transition of sashlike polydiacetylene (PD) atomic sash in an extrathin (0.4 nm) vapor-deposited monolayer on a graphite (0001) surface has been observed by in-situ scanning tunneling microscopy (STM). The conformation of the atomic sash composed of a row of lying alkyl chains stitched up with a PD chain is different around the crossing points of the alkyl and PD chains in the two phases, and hence the contrast of the STM image is different in the middle of the sashes. The difference is associated with the color transition of bulk PDs. Copyright © 2004 American Chemical Society.

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页码：9894 / 9895

页数：2

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